/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package co.edu.uniminuto.arqSw.ejercicio.servlets;

import co.edu.uniminuto.arqSw.ejercicio.DAO.LoginDAO;
import co.edu.uniminuto.arqSw.ejercicio.Hibernate.Cliente;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author JULIAN
 */
@WebServlet(name = "LoginServlet", urlPatterns = {"/LoginServlet"})
public class LoginServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        
        String user=request.getParameter("usuario");
        String pass=request.getParameter("contrasena");
        HttpSession session = null;
        
        LoginDAO miDAO = new LoginDAO(user,pass);
        Cliente miuser=new Cliente();
        miuser=miDAO.getUser();
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        
        try {                     
            out.println("<html>");
            out.println("<head>");
            out.println("<title> Login</title>");            
            out.println("</head>");
            out.println("<body>");          
 
           // out.println("<h1>id_usuario:"+miuser.getNombre()+" "+miuser.getApellido()+"</h1>");
           /* for(Compra c:V.getCompras() ){
                 out.println("<h1>numero de factura "+c.getIdCompra()+"</h1>");  
                                         }    */
           if(miuser != null){
                    session=request.getSession(true); 
                    session.setAttribute("usuario",miuser.getIdCliente());
                  //  response.sendRedirect("Principal.jsp");           
            RequestDispatcher view = request.getRequestDispatcher("PrincipalServlet");
            view.forward(request, response);
            }
            else{
                  out.println("<h1>Login Fallido</h1>");
	          out.println("su id o contraseña son incorrectos <a href=index.jsp>Regresar</a>");
                }
                    
            
           
            out.println("</body>");
            out.println("</html>");
        } finally {            
            out.close();
        }   
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
       processRequest(request, response);
       
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
